<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
         <el-button
           type="primary"
           plain
           icon="el-icon-plus"
           size="mini"
           @click="handleAdd"
           v-hasPermi="['system:banner:add']"
         >新增</el-button>
       </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:banner:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:banner:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="bannerList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键ID" align="center" prop="id" />
      <el-table-column label="图片地址" align="center" prop="bannerPath">
        <template slot-scope="scope">
          <el-image style="width: 100%; height: 100px" :src="scope.row.bannerPath"
            :preview-src-list="[scope.row.bannerPath]">
          </el-image>
        </template>
      </el-table-column>
      <el-table-column label="备注" align="center" prop="bannerExplain" />
      <el-table-column label="类型" align="center" prop="type" >
          <template slot-scope="scope">
            <div v-if="scope.row.type == 1">动态</div>
            <div v-if="scope.row.type == 2">消息</div>
          </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:banner:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:banner:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改appBanner对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="图片地址" prop="bannerPath">
         <el-upload class="avatar-uploader" action="" :http-request="ossUploadFun" :show-file-list="false">
         	<img v-if="form.bannerPath" :src="form.bannerPath" style="width: 100%;height: 100px;" class="avatar">
         	<i v-else class="el-icon-plus avatar-uploader-icon" ></i>
         </el-upload>
        </el-form-item>
        <el-form-item label="轮播图说明" prop="bannerExplain">
          <el-input v-model="form.bannerExplain" placeholder="请输入轮播图说明" />
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" class="flex1" placeholder="请选择类型" style="width: 100%;">
            <el-option v-for="item in typeOptions" :key="item.value" :label="item.label" :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listBanner, getBanner, delBanner, addBanner, updateBanner } from "@/api/system/banner";

export default {
  name: "Banner",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // appBanner表格数据
      bannerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        bannerPath: null,
        bannerExplain: null,
        businessId: null,
        requestType: null,
        requestUrl: null,
        type: null,
        createUser: null,
        isDelete: null
      },
      // 表单参数
      form: {},
      typeOptions: [{
      	value: 1,
      	label: '动态'
      }, {
      	value: 2,
      	label: '消息'
      }],
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询appBanner列表 */
    getList() {
      this.loading = true;
      listBanner(this.queryParams).then(response => {
        this.bannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        bannerPath: null,
        bannerExplain: null,
        businessId: null,
        requestType: null,
        requestUrl: null,
        type: null,
        createTime: null,
        createUser: null,
        isDelete: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加appBanner";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getBanner(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改appBanner";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateBanner(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBanner(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    // 图片上传
    ossUploadFun(file) {
    	this.ossUpload(file.file).then(res => {
    		this.form.bannerPath = res
    	})
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除appBanner编号为"' + ids + '"的数据项？').then(function() {
        return delBanner(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/banner/export', {
        ...this.queryParams
      }, `banner_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
